$ git clone -n https://src.fedoraproject.org/rpms/gr-rds.git /var/lib/mock/f40-build-2398720-60549/root/chroot_tmpdir/scmroot/gr-rds
Cloning into '/var/lib/mock/f40-build-2398720-60549/root/chroot_tmpdir/scmroot/gr-rds'...
$ git fetch origin 494d19e932708f8cf46e9c20218a6c786c5b3007:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gr-rds
 * [new ref]         494d19e932708f8cf46e9c20218a6c786c5b3007 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 494d19e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild